2025 California Cdl Tank - Test 2
The following questions are from real California CDL practice tests. After selecting the answer, you can see the explanation. After confirming, click "Next" to jump to the next question.
ADVERTISEMENT
1. When coupling, after you've connected the air lines to the trailer, you should:
Supply air to the trailer.
Activate the emergency brake.
Disconnect the glad hands.
ADVERTISEMENT
Key Data
Number of Tests: 18
Number of Question: 15
Passing Score: 12
Free Useful Tools
Dmv Near Me 
Auto Loan Calculator 
Auto Insurance Calculator 
Vehicles Buying Advice Progress
0 Incorrect
0 Correct
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Rate This Test
Please rate this test